"Shishir K. Singh" wrote:
> >on Sun, 30 Jun 2002 12:08:23 GMT, Dan Fish wrote:
>
> > What is the most efficient (or at least AN efficient :-) way of
> > obtaining a slice from an array wherein the slice contains only
> > unique values found in the array?
>
> >See
> > perldoc -q duplicate
>
> --
> >felix
> This is the example "d" cited in perldoc -q duplicate
> d) A way to do (b) without any loops or greps:
>
> undef %saw;
> @saw{@in} = ();
This is called a hash slice, this is same as writing
foreach (@in) { $saw{$_} = undef }
>
> @out = sort keys %saw; # remove sort if undesired
>
> I am a bit confused about this example ??
>
> --
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
--
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
